# Arithmetic Progressions

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Examples, solutions, videos, activities, and worksheets that are suitable for A Level Maths to help students learn about arithmetic progression and how to find the nth term and the sum of the first n terms.

The following diagrams give an arithmetic progression and the formulas to find the nth term and the sum of the first n terms. Scroll down the page for more examples and solutions.

Arithmetic Progressions : Introduction
In this video tutorial you are introduced to what an arithmetic progression is and how to find the nth term and the sum of the first n terms.

Arithmetic Progressions : Proof of the Sum of n terms
In this tutorial I show you how to prove the formulae for the sum S(n) of the first n terms of an arithmetic progression which is often asked in exams.
Arithmetic Series : C1 Edexcel January 2013 Q7c
How to prove the sum of n terms of an arithmetic series?

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